package com.gmail.vivek.client.panels;

/*
 * Copyright 2010 Fred Sauer
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */


import com.google.gwt.user.client.ui.VerticalPanel;

import com.google.gwt.user.client.ui.HorizontalPanel;
	import com.google.gwt.user.client.ui.Label;
	import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

	/**
	 * {@link VerticalPanel} which has a permanent spacer at the end to prevent CSS collapse of the
	 * panel and its parent.
	 */
	public class HorizontalPanelWithSpacer extends VerticalPanel {
	  private static final String CSS_DEMO_INSERT_PANEL_EXAMPLE_SPACER = "demo-InsertPanelExample-spacer";

	  public HorizontalPanelWithSpacer() {
	    Label spacerLabel = new Label("");
	    spacerLabel.setStylePrimaryName(CSS_DEMO_INSERT_PANEL_EXAMPLE_SPACER);
	    super.add(spacerLabel);
	  }

	  @Override
	  public void add(Widget w) {
	    super.insert(w, getWidgetCount() - 1);
	  }

	  @Override
	  public void insert(Widget w, int beforeIndex) {
	    if (beforeIndex == getWidgetCount()) {
	      beforeIndex--;
	    }
	    super.insert(w, beforeIndex);
	  }

	}
